Microsoft Entra ID Vulnerability CVE-2026-69836: Early Warning
- Severity
- HIGH
- Affected component
- microsoft entra id (npm)
- Patched version
- Not yet available
An early warning has been issued for a high-severity vulnerability in Microsoft Entra ID, formerly known as Azure Active Directory, which could allow unauthorized remote code execution.
What happened
Microsoft has reportedly issued an alert about a critical security flaw in Entra ID, tracked as CVE-2026-69836, with a CVSS score of 10.0. This vulnerability, which allows deserialization of untrusted data, could enable an unauthorized attacker to execute code over a network. The flaw has been exploited in the wild, but Microsoft states that it has already been fully mitigated and no customer action is required. However, it is crucial for users to stay informed and monitor updates from official sources.
The vulnerability was discovered by principal security engineer Robert Fitzpatrick. As of now, there are no details available on how the vulnerability has been exploited, when these efforts began, and if they are still ongoing. It is important for users to review their network security configurations and stay updated on any further developments from Microsoft and cybersecurity authorities.
What to do about it
- Monitor official sources for updates on the vulnerability and any recommended actions.
- Review and strengthen your network security configurations to mitigate potential risks.
- Stay informed about the latest security advisories and patches from Microsoft.
How 0Day would have caught this
microsoft entra id is anywhere in your dependency tree, the engineers who own the affected repositories get a push alert the moment it is flagged — no manual audit to remember to run.Read how this differs from waiting on a scanner to catch a known advisory, or see the exact, read-only access 0Day needs to do this for an organization.
Frequently asked questions
Am I affected?
If you are using Microsoft Entra ID, you may be affected. However, Microsoft states that the vulnerability has been fully mitigated and no customer action is required at this time.
What should I do right now?
Monitor official sources for updates and review your network security configurations. Stay informed about the latest security advisories from Microsoft.
Has this been exploited in the wild?
Yes, the vulnerability has been reportedly exploited in the wild.